Title:
CORELESS POWER TRANSFORMER AND ISOLATING POWER SOURCE
Document Type and Number:
WIPO Patent Application WO/2023/272738
Kind Code:
A1
Abstract:
A coreless power transformer (100) comprises: a primary winding comprising a first planar coil (201) arranged on a PCB layer (101) and a second planar coil (202) arranged on a PCB layer (102), and configured to receive power from a power supply; and a secondary winding comprising a third planar coil (203) arranged on a PCB layer (103) and a fourth planar coil (204) arranged on a PCB layer (104), and configured to receive the power from the primary winding and provide the power to a load, wherein the PCB layer (101), the PCB layer (102), the PCB layer (103) and the PCB layer (104) are substantially parallel to each other.
Inventors:
SHI HUAN (CN)
LIU WEI (CN)
QU YONGFEI (CN)
LIU WEI (CN)
QU YONGFEI (CN)
Application Number:
PCT/CN2021/104364
Publication Date:
January 05, 2023
Filing Date:
July 02, 2021
Export Citation:
Assignee:
ABB SCHWEIZ AG (CH)
SHI HUAN (CN)
LIU WEI (CN)
QU YONGFEI (CN)
SHI HUAN (CN)
LIU WEI (CN)
QU YONGFEI (CN)
International Classes:
H01F27/28; H02M5/10
Foreign References:
| CN105186885A | 2015-12-23 | |||
| US20040042240A1 | 2004-03-04 | |||
| US20120099346A1 | 2012-04-26 | |||
| US20100078761A1 | 2010-04-01 | |||
| US20050156699A1 | 2005-07-21 |
Attorney, Agent or Firm:
KING & WOOD MALLESONS (CN)
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